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| 1 // Copyright 2012 the V8 project authors. All rights reserved. | 1 // Copyright 2012 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #ifndef V8_IC_STATE_H_ | 5 #ifndef V8_IC_STATE_H_ |
| 6 #define V8_IC_STATE_H_ | 6 #define V8_IC_STATE_H_ |
| 7 | 7 |
| 8 #include "src/macro-assembler.h" | 8 #include "src/macro-assembler.h" |
| 9 #include "src/parsing/token.h" | 9 #include "src/parsing/token.h" |
| 10 | 10 |
| 11 namespace v8 { | 11 namespace v8 { |
| 12 namespace internal { | 12 namespace internal { |
| 13 | 13 |
| 14 | 14 |
| 15 const int kMaxKeyedPolymorphism = 4; | 15 const int kMaxKeyedPolymorphism = 4; |
| 16 | 16 |
| 17 | 17 |
| 18 class ICUtility : public AllStatic { | 18 class ICUtility : public AllStatic { |
| 19 public: | 19 public: |
| 20 // Clear the inline cache to initial state. | 20 // Clear the inline cache to initial state. |
| 21 static void Clear(Isolate* isolate, Address address, Address constant_pool); | 21 static void Clear(Isolate* isolate, Address address, Address constant_pool); |
| 22 }; | 22 }; |
| 23 | 23 |
| 24 | 24 |
| 25 class CallICState final BASE_EMBEDDED { | |
| 26 public: | |
| 27 explicit CallICState(ExtraICState extra_ic_state) | |
| 28 : bit_field_(extra_ic_state) {} | |
| 29 CallICState(ConvertReceiverMode convert_mode, TailCallMode tail_call_mode) | |
| 30 : bit_field_(ConvertModeBits::encode(convert_mode) | | |
| 31 TailCallModeBits::encode(tail_call_mode)) {} | |
| 32 | |
| 33 ExtraICState GetExtraICState() const { return bit_field_; } | |
| 34 | |
| 35 static void GenerateAheadOfTime(Isolate*, | |
| 36 void (*Generate)(Isolate*, | |
| 37 const CallICState&)); | |
| 38 | |
| 39 ConvertReceiverMode convert_mode() const { | |
| 40 return ConvertModeBits::decode(bit_field_); | |
| 41 } | |
| 42 TailCallMode tail_call_mode() const { | |
| 43 return TailCallModeBits::decode(bit_field_); | |
| 44 } | |
| 45 | |
| 46 private: | |
| 47 typedef BitField<ConvertReceiverMode, 0, 2> ConvertModeBits; | |
| 48 typedef BitField<TailCallMode, ConvertModeBits::kNext, 1> TailCallModeBits; | |
| 49 | |
| 50 int const bit_field_; | |
| 51 }; | |
| 52 | |
| 53 | |
| 54 std::ostream& operator<<(std::ostream& os, const CallICState& s); | |
| 55 | |
| 56 | |
| 57 class BinaryOpICState final BASE_EMBEDDED { | 25 class BinaryOpICState final BASE_EMBEDDED { |
| 58 public: | 26 public: |
| 59 BinaryOpICState(Isolate* isolate, ExtraICState extra_ic_state); | 27 BinaryOpICState(Isolate* isolate, ExtraICState extra_ic_state); |
| 60 BinaryOpICState(Isolate* isolate, Token::Value op) | 28 BinaryOpICState(Isolate* isolate, Token::Value op) |
| 61 : op_(op), | 29 : op_(op), |
| 62 left_kind_(NONE), | 30 left_kind_(NONE), |
| 63 right_kind_(NONE), | 31 right_kind_(NONE), |
| 64 result_kind_(NONE), | 32 result_kind_(NONE), |
| 65 fixed_right_arg_(Nothing<int>()), | 33 fixed_right_arg_(Nothing<int>()), |
| 66 isolate_(isolate) { | 34 isolate_(isolate) { |
| (...skipping 204 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 271 << LanguageModeState::kShift; | 239 << LanguageModeState::kShift; |
| 272 | 240 |
| 273 private: | 241 private: |
| 274 const ExtraICState state_; | 242 const ExtraICState state_; |
| 275 }; | 243 }; |
| 276 | 244 |
| 277 } // namespace internal | 245 } // namespace internal |
| 278 } // namespace v8 | 246 } // namespace v8 |
| 279 | 247 |
| 280 #endif // V8_IC_STATE_H_ | 248 #endif // V8_IC_STATE_H_ |
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